From bbfaaeffd6f02f87a02bab2d5e874873cd1788ca Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sat, 12 Nov 2011 14:09:52 +0000 Subject: [PATCH] kernel: ar8216: add support for the AR8236 switch SVN-Revision: 28993 --- .../generic/files/drivers/net/phy/ar8216.c | 72 ++++++++++++++++++- .../generic/files/drivers/net/phy/ar8216.h | 19 ++++- 2 files changed, 87 insertions(+), 4 deletions(-) diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index cdbf1668b65..c79a92a0a1b 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -144,6 +144,8 @@ ar8216_id_chip(struct ar8216_priv *priv) switch (id) { case 0x0101: return AR8216; + case 0x0301: + return AR8236; case 0x1000: case 0x1001: return AR8316; @@ -513,6 +515,29 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S)); } +static void +ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE | + AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE | + AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK, + AR8216_PORT_CTRL_LEARN | + (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | + (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); + + ar8216_rmw(priv, AR8236_REG_PORT_VLAN(port), + AR8236_PORT_VLAN_DEFAULT_ID, + (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S)); + + ar8216_rmw(priv, AR8236_REG_PORT_VLAN2(port), + AR8236_PORT_VLAN2_VLAN_MODE | + AR8236_PORT_VLAN2_MEMBER, + (ingress << AR8236_PORT_VLAN2_VLAN_MODE_S) | + (members << AR8236_PORT_VLAN2_MEMBER_S)); +} + static int ar8216_hw_apply(struct switch_dev *dev) { @@ -579,12 +604,40 @@ ar8216_hw_apply(struct switch_dev *dev) ingress = AR8216_IN_PORT_ONLY; } - ar8216_setup_port(priv, i, egress, ingress, portmask[i], pvid); + if (priv->chip == AR8236) + ar8236_setup_port(priv, i, egress, ingress, portmask[i], + pvid); + else + ar8216_setup_port(priv, i, egress, ingress, portmask[i], + pvid); } mutex_unlock(&priv->reg_mutex); return 0; } +static int +ar8236_hw_init(struct ar8216_priv *priv) { + static int initialized; + int i; + struct mii_bus *bus; + + if (initialized) + return 0; + + /* Initialize the PHYs */ + bus = priv->phy->bus; + for (i = 0; i < 5; i++) { + bus->write(bus, i, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | + ADVERTISE_PAUSE_ASYM); + bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + } + msleep(1000); + + initialized = true; + return 0; +} + static int ar8316_hw_init(struct ar8216_priv *priv) { int i; @@ -692,7 +745,8 @@ ar8216_reset_switch(struct switch_dev *dev) if (priv->chip == AR8216) { ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8216_GCTRL_MTU, 1518 + 8 + 2); - } else if (priv->chip == AR8316) { + } else if (priv->chip == AR8316 || + priv->chip == AR8236) { /* enable jumbo frames */ ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8316_GCTRL_MTU, 9018 + 8 + 2); @@ -806,6 +860,10 @@ ar8216_config_init(struct phy_device *pdev) /* port 5 connected to the other mac, therefore unusable */ swdev->ports = (AR8216_NUM_PORTS - 1); } + } else if (priv->chip == AR8236) { + swdev->name = "Atheros AR8236"; + swdev->vlans = AR8216_NUM_VLANS; + swdev->ports = AR8216_NUM_PORTS; } else { swdev->name = "Atheros AR8216"; swdev->vlans = AR8216_NUM_VLANS; @@ -824,6 +882,14 @@ ar8216_config_init(struct phy_device *pdev) } } + if (priv->chip == AR8236) { + ret = ar8236_hw_init(priv); + if (ret) { + kfree(priv); + goto done; + } + } + ret = ar8216_reset_switch(&priv->dev); if (ret) { kfree(priv); @@ -918,7 +984,7 @@ ar8216_remove(struct phy_device *pdev) static struct phy_driver ar8216_driver = { .phy_id = 0x004d0000, - .name = "Atheros AR8216/AR8316", + .name = "Atheros AR8216/AR8316/AR8326", .phy_id_mask = 0xffff0000, .features = PHY_BASIC_FEATURES, .probe = ar8216_probe, diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h b/target/linux/generic/files/drivers/net/phy/ar8216.h index 5a8fa3c003a..886730c619c 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.h +++ b/target/linux/generic/files/drivers/net/phy/ar8216.h @@ -41,6 +41,7 @@ #define AR8216_REG_GLOBAL_CTRL 0x0030 #define AR8216_GCTRL_MTU BITS(0, 11) +#define AR8236_GCTRL_MTU BITS(0, 14) #define AR8316_GCTRL_MTU BITS(0, 14) #define AR8216_REG_VTU 0x0040 @@ -62,6 +63,7 @@ #define AR8216_REG_VTU_DATA 0x0044 #define AR8216_VTUDATA_MEMBER BITS(0, 10) +#define AR8236_VTUDATA_MEMBER BITS(0, 7) #define AR8216_VTUDATA_VALID BIT(11) #define AR8216_REG_ATU 0x0050 @@ -145,6 +147,20 @@ #define AR8216_REG_PORT_RATE(_i) (AR8216_PORT_OFFSET(_i) + 0x000c) #define AR8216_REG_PORT_PRIO(_i) (AR8216_PORT_OFFSET(_i) + 0x0010) + +#define AR8236_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET((_i)) + 0x0008) +#define AR8236_PORT_VLAN_DEFAULT_ID BITS(16, 12) +#define AR8236_PORT_VLAN_DEFAULT_ID_S 16 +#define AR8236_PORT_VLAN_PRIORITY BITS(29, 3) +#define AR8236_PORT_VLAN_PRIORITY_S 28 + +#define AR8236_REG_PORT_VLAN2(_i) (AR8216_PORT_OFFSET((_i)) + 0x000c) +#define AR8236_PORT_VLAN2_MEMBER BITS(16, 7) +#define AR8236_PORT_VLAN2_MEMBER_S 16 +#define AR8236_PORT_VLAN2_TX_PRIO BIT(23) +#define AR8236_PORT_VLAN2_VLAN_MODE BITS(30, 2) +#define AR8236_PORT_VLAN2_VLAN_MODE_S 30 + /* port speed */ enum { AR8216_PORT_SPEED_10M = 0, @@ -181,7 +197,8 @@ enum { enum { UNKNOWN = 0, AR8216 = 8216, - AR8316 = 8316 + AR8236 = 8236, + AR8316 = 8316, }; #endif